CN101832320A - U-shaped bolts and automobile with same - Google Patents
U-shaped bolts and automobile with same Download PDFInfo
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- CN101832320A CN101832320A CN 201010193292 CN201010193292A CN101832320A CN 101832320 A CN101832320 A CN 101832320A CN 201010193292 CN201010193292 CN 201010193292 CN 201010193292 A CN201010193292 A CN 201010193292A CN 101832320 A CN101832320 A CN 101832320A
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- leaf spring
- straight
- bolts
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Abstract
The invention discloses U-shaped bolts. Treads of two straight bars of each U-shaped bolt have opposite spiral directions. The invention also discloses an automobile comprising an axle and a plate spring, wherein the automobile also comprises the U-shaped bolts and nuts, the nuts are matched with the U-shaped bolts, and the plate spring is fixed on the axle by the U-shaped bolts and the nuts. Because the threads of the two straight bars of each U-shaped bolt have the opposite spiral directions, the opposite threads can be used for balancing force moments generated by fastening the nut, thereby angles can not be formed among fixed parts, and the fixed parts can not be deformed. The plate spring can be vertically fixed on the axle when being fixed on the axle by using two U-shaped bolts, therefore, the automobile has better brake performance and better steering flexibility, and the U-shaped bolt can reduce tyre wear, fuel consumption, and the like and is convenient for the subsequent installation of the automobile.
Description
Technical field
The present invention relates to a kind of U-bolt, also relate to a kind of automobile with this U-bolt.
Background technique
U-bolt is also referred to as U-bolts, and is of many uses, for example adopts two U-bolts that the leaf spring of automotive suspension is fixed on the vehicle bridge usually.The screw thread of two straight-bars of existing U-bolt all is a right-handed thread, and therefore, the fastening direction unanimity of nut if Tightening moment is bigger, then may make perhaps to make fixed part be out of shape by angulation between the fixed part.For example, under the leaf spring that adopts two U-bolts with automotive suspension is fixed to situation on the vehicle bridge, when fastening these two U-bolts, the fastening direction unanimity of four nuts.Because the Tightening moment of U-bolt is bigger, surpass 150NM mostly, and the Tightening moment direction unanimity of four straight-bars of two U-bolts, huge moment can make leaf spring and vehicle bridge back shape is installed at an angle, promptly leaf spring is not to be vertically fixed on the vehicle bridge.The flexibility that this angle that exists between leaf spring and the vehicle bridge can directly influence the vehicle braked performance and turn to also can increase tire wear and fuel consume etc.And, this angle that exists between leaf spring and the vehicle bridge brings difficulty also can for the subsequent installation of vehicle, for example makes leaf spring be difficult to be installed on the vehicle frame, needs the installer to adjust with instruments such as hammers usually, install reluctantly, labor intensity is very big.
Summary of the invention
Technical problem to be solved by this invention is: existing U-bolt may make and perhaps make fixed part be out of shape by angulation between the fixed part; And existing U-bolt can make when being used for being fixed to leaf spring on the vehicle bridge and produces angle between leaf spring and the vehicle bridge, thereby the flexibility that influences the vehicle braked performance and turn to, also can increase tire wear and fuel consume etc., but also bring difficulty can for the subsequent installation of vehicle.
For solving the problems of the technologies described above, one aspect of the present invention provides a kind of U-bolt, and the Hand of spiral of the screw thread of two straight-bars of this U-bolt is opposite.Because the Hand of spiral of the screw thread of two straight-bars of U-bolt is opposite, the moment that produces in the time of therefore can utilizing opposite screw thread to come the balance nut fastening.Thereby can angulation between the fixed part, can not make the fixed part distortion yet.On the other hand, the present invention also provides a kind of automobile, and this automobile comprises vehicle bridge and leaf spring, wherein, this automobile also comprises above-mentioned U-bolt and the nut that is complementary with this U-bolt, and described leaf spring is fixed on the described vehicle bridge by described U-bolt and described nut.When utilizing two described U-bolts to be fixed to leaf spring on the vehicle bridge, leaf spring can be vertically fixed on the vehicle bridge, therefore vehicle braked performance and steering flexibility are better, can reduce tire wear and fuel consume etc., but also be convenient to the subsequent installation of vehicle.
Other features and advantages of the present invention will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with the specific embodiment of the present invention one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation according to U-bolt of the present invention;
Fig. 2 utilizes U-bolt of the present invention that leaf spring is fixed to schematic cross sectional views on the vehicle bridge.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
As shown in Figure 1, on the one hand, the invention provides a kind of U-bolt 1, the Hand of spiral of the screw thread 12 of two straight-bars 11 of this U-bolt 1 is opposite.That is, the screw thread 12 of one of them straight-bar 11 is a left-handed thread, and the screw thread 12 of another straight-bar 11 is a right-handed thread.Because the Hand of spiral of the screw thread 12 of two straight-bars 11 of this U-bolt 1 is opposite, the moment that produces in the time of therefore can utilizing opposite screw thread to come the balance nut fastening.Thereby can angulation between the fixed part, can not make the fixed part distortion yet.
As shown in Figure 2, on the other hand, the present invention also provides a kind of automobile, this automobile comprises vehicle bridge 2 and leaf spring 3, wherein, this automobile also comprises U-bolt as indicated above 1 and the nut 4 that is complementary with this U-bolt 1, and described leaf spring 3 is fixed on the described vehicle bridge 2 by described U-bolt 1 and described nut 4.
Because the Hand of spiral of the screw thread of two straight-bars 11 of U-bolt 1 is opposite, the moment that produces in the time of therefore can utilizing opposite screw thread to come the balance nut fastening.So when utilizing described U-bolt 1 to be fixed to leaf spring 3 on the vehicle bridge 2, leaf spring 3 and vehicle bridge 2 can be out of shape, and leaf spring 3 can be vertically fixed on the vehicle bridge 2, therefore vehicle braked performance and steering flexibility are better, can reduce tire wear and fuel consume etc., but also be convenient to the subsequent installation of vehicle.
Preferably, described leaf spring 3 is fixed on the described vehicle bridge 2 by two described U-bolts 1 (only having shown a U-bolt 1 among the figure), and in four straight-bars of these two described U-bolts 1, the Hand of spiral of the screw thread 12 of two straight-bars 11 at diagonal angle is identical, and the Hand of spiral of the screw thread 12 of two straight-bars 11 of homonymy is opposite.In other words, be fastened in four nuts 4 on these two the described U-bolts 1, the tightening direction of two nuts 4 at diagonal angle is identical, and the tightening direction of two nuts 4 of homonymy is opposite, thus the moment that produces when balance nut 4 is fastening better.Described nut 4 can be fastened on the straight-bar 11 of described U-bolt 1 by variety of way, for example, can fastening successively four nuts 4, preferably, can adopt the bull tightening machine to carry out fastening to four nuts 4 simultaneously.
More specifically, can adopt variety of way described leaf spring 3 to be installed on the vehicle bridge 2 by described U-bolt 1.For example as a kind of concrete mode of execution, as shown in Figure 2, described automobile also comprises the pressing plate 5 that covers on the described leaf spring 3, described two U-bolts 1 stride across described vehicle bridge 2 and lay respectively at the both sides of described leaf spring 3, and the straight-bar 11 of described two U-bolts 1 is through described leaf spring 3 and pass described pressing plate 5, and described nut 4 is fastened on the end of each described straight-bar 11.As the concrete mode of execution of another kind (not shown), described two U-bolts 1 stride across described leaf spring 3 and lay respectively at the both sides of described vehicle bridge 2, and the straight-bar 11 of described two U-bolts 1 is through described leaf spring 3 and pass described pressing plate 5, and described nut 4 is fastened on the end of each described straight-bar 11.
Need to prove that each the concrete technical characteristics described in above-mentioned embodiment can carry out combination in any by any suitable manner, it falls within the scope disclosed in this invention equally.In addition, also can carry out combination in any between the various mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Below describe preferred implementation of the present invention in conjunction with the accompanying drawings in detail; but; the present invention is not limited to the detail in the above-mentioned mode of execution; in technical conceive scope of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (5)
1. a U-bolt is characterized in that, the Hand of spiral of the screw thread of two straight-bars of this U-bolt is opposite.
2. automobile, this automobile comprises vehicle bridge and leaf spring, it is characterized in that this automobile also comprises U-bolt according to claim 1 and the nut that is complementary with this U-bolt, described leaf spring is fixed on the described vehicle bridge by described U-bolt and described nut.
3. automobile according to claim 2, it is characterized in that described U-bolt is two, and in four straight-bars of these two described U-bolts, the Hand of spiral of the screw thread of two straight-bars at diagonal angle is identical, and the Hand of spiral of the screw thread of two straight-bars of homonymy is opposite.
4. automobile according to claim 3, it is characterized in that, this automobile also comprises the pressing plate that covers on the described leaf spring, described two U-bolts stride across described vehicle bridge and lay respectively at the both sides of described leaf spring, and the straight-bar of described two U-bolts is through described leaf spring and pass described pressing plate, and described nut is fastened on the end of each described straight-bar.
5. automobile according to claim 3, it is characterized in that, this automobile also comprises the pressing plate that covers on the described leaf spring, described two U-bolts stride across described leaf spring and lay respectively at the both sides of described vehicle bridge, and the straight-bar of described two U-bolts is through described leaf spring and pass described pressing plate, and described nut is fastened on the end of each described straight-bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101932927A CN101832320B (en) | 2010-05-27 | 2010-05-27 | U-shaped bolts and automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101932927A CN101832320B (en) | 2010-05-27 | 2010-05-27 | U-shaped bolts and automobile with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832320A true CN101832320A (en) | 2010-09-15 |
| CN101832320B CN101832320B (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101932927A Active CN101832320B (en) | 2010-05-27 | 2010-05-27 | U-shaped bolts and automobile with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101832320B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179690A (en) * | 2011-04-13 | 2011-09-14 | 东风汽车股份有限公司 | Assembly tool equipment and assembly method for U-shaped bolt of automobile plate spring suspension system |
| CN109798033A (en) * | 2018-12-29 | 2019-05-24 | 江苏敏安电动汽车有限公司 | A kind of front hatch cover metal plate lock reinforcement plate assembly structure |
| US10513018B2 (en) | 2014-09-18 | 2019-12-24 | Atlas Copco Tools & Assembly Systems, Llc | Adaptive U-bolt joint stabilization process |
| CN112298433A (en) * | 2020-11-02 | 2021-02-02 | 贵州大学 | Tricycle rear axle shock attenuation suspension |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5409339A (en) * | 1993-11-01 | 1995-04-25 | Rosser; Richard H. | U-bolt clamping mechanism |
| JP2000161325A (en) * | 1998-11-20 | 2000-06-13 | Saito Micro:Kk | Clip device |
| EP1698496A1 (en) * | 2004-03-02 | 2006-09-06 | MAN Nutzfahrzeuge Aktiengesellschaft | Axle suspension for a utility vehicle |
| CN200942699Y (en) * | 2006-07-18 | 2007-09-05 | 中国国际海运集装箱(集团)股份有限公司 | Low bearing surface goods stock |
-
2010
- 2010-05-27 CN CN2010101932927A patent/CN101832320B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5409339A (en) * | 1993-11-01 | 1995-04-25 | Rosser; Richard H. | U-bolt clamping mechanism |
| JP2000161325A (en) * | 1998-11-20 | 2000-06-13 | Saito Micro:Kk | Clip device |
| EP1698496A1 (en) * | 2004-03-02 | 2006-09-06 | MAN Nutzfahrzeuge Aktiengesellschaft | Axle suspension for a utility vehicle |
| CN200942699Y (en) * | 2006-07-18 | 2007-09-05 | 中国国际海运集装箱(集团)股份有限公司 | Low bearing surface goods stock |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179690A (en) * | 2011-04-13 | 2011-09-14 | 东风汽车股份有限公司 | Assembly tool equipment and assembly method for U-shaped bolt of automobile plate spring suspension system |
| US10513018B2 (en) | 2014-09-18 | 2019-12-24 | Atlas Copco Tools & Assembly Systems, Llc | Adaptive U-bolt joint stabilization process |
| CN109798033A (en) * | 2018-12-29 | 2019-05-24 | 江苏敏安电动汽车有限公司 | A kind of front hatch cover metal plate lock reinforcement plate assembly structure |
| CN112298433A (en) * | 2020-11-02 | 2021-02-02 | 贵州大学 | Tricycle rear axle shock attenuation suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101832320B (en) | 2012-03-28 |
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